Package io.trino.cost

Interface Summary

Interface	Description
ComposableStatsCalculator.Rule<T extends PlanNode>
CostCalculator
CostProvider
StatsCalculator
StatsProvider

Class Summary

Class	Description
AggregationStatsRule
AssignUniqueIdStatsRule
CachingCostProvider
CachingStatsProvider
ComparisonStatsCalculator
ComposableStatsCalculator
CostCalculatorUsingExchanges	Simple implementation of CostCalculator.
CostCalculatorWithEstimatedExchanges	A wrapper around CostCalculator that estimates ExchangeNodes cost.
CostComparator
EnforceSingleRowStatsRule
ExchangeStatsRule
FilterStatsCalculator
FilterStatsRule
JoinStatsRule
LimitStatsRule
LocalCostEstimate	Represents inherent cost of some plan node, not including cost of its sources.
OutputStatsRule
PlanCostEstimate
PlanNodeStatsAndCostSummary
PlanNodeStatsEstimate
PlanNodeStatsEstimate.Builder
PlanNodeStatsEstimateMath
ProjectStatsRule
RowNumberStatsRule
SampleStatsRule
ScalarStatsCalculator
SemiJoinStatsCalculator
SemiJoinStatsRule
SimpleFilterProjectSemiJoinStatsRule	It is not yet proven whether this heuristic is any better or worse.
SimpleStatsRule<T extends PlanNode>
SortStatsRule
SpatialJoinStatsRule
StatisticRange
StatsAndCosts
StatsCalculatorModule
StatsCalculatorModule.StatsRulesProvider
StatsNormalizer	Makes stats consistent
SymbolStatsEstimate
SymbolStatsEstimate.Builder
TableScanStatsRule
TaskCountEstimator
TopNStatsRule
UnionStatsRule
ValuesStatsRule

Annotation Types Summary

Annotation Type	Description
CostCalculator.EstimatedExchanges